Seiko Cal. 6331 - 161

The Seiko 6331-161 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-0e5fd2c8c436]

Also known as: Crown, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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